Finding the Third Proportional to 67,430 and 146,008

Step by Step Solution

1. Step 1: Write the proportion equation
   67,430 : 146,008 = 146,008 : x
2. Step 2: Convert to fraction form
   67,430/146,008 = 146,008/x
3. Step 3: Cross multiply
   67,430x = 146,008 × 146,008
4. Step 4: Simplify right side
   67,430x = 21,318,336,064
5. Step 5: Solve for x
   x = 21,318,336,064/67,430
6. Step 6: Final answer
   x = 316,155.07